* {
    margin: 0;
    top: 0;
}

.tian {
    width: 450px;
    height: 550px;
    background-color: white;
    size: 30px;
    position: absolute;
    top: 100px;
    left: 500px;
    border-radius: 10px;
    border: black 5px solid;
    text-align: center;
    display: none;

}

.tian span {
    size: 15px;
    line-height: 75px;
    font-size: 20px;
}

.tian input {
    width: 200px;
    height: 30px;
}

.tian h1 {
    margin-top: 10px;
}
.ad{
    position: absolute;
    top: 500px;
    left: 120px;
}
.gb{
    position: absolute;
    top: 500px;
    left: 260px;
}

img {
    width: 170px;
    height: 140px;
}

table {
    width: 1400px;
    height: 30px;
    text-align: center;
    margin: auto;
}

tbody button {
    margin-bottom: 10px;
}

th {
    width: 400px;
    height: 50px;
    font-size: 20px;
}

td {
    font-size: 20px;
    height: 50px !important;
    width: 300px;
}


.xig {
    width: 450px;
    height: 550px;
    background-color: white;
    size: 30px;
    position: absolute;
    top: 100px;
    left: 500px;
    border-radius: 10px;
    border: black 5px solid;
    text-align: center;
    display: none;


}

.xig span {
    size: 15px;
    line-height: 75px;
    font-size: 20px;
}

.xig input {
    width: 200px;
    height: 30px;
}

.xig h1 {
    margin-top: 10px;
}

.so {
    width: 200px;
    height: 30px;
    margin-left: 10px;
    font-size: 20px;
    margin-top: 15px;
}

.layui-nav-child {
    text-align: center;
}
a{
    text-align: center;
}
.s1{
    margin-left: 10px;
    height: 30px;
    font-size: 15px;
}
.s1 option{
    font-size: 15px;
}
.s2{
    margin-left: 10px;
    height: 30px;
    font-size: 15px;
}
.s2 option{
    font-size: 15px;
}

.layui-btn{
    margin-left: 10px;
    margin-top: 2px;
    height: 30px;
    line-height: 30px;
}
.h3{
    margin-left: 65px;
}
.fy{
    margin-left: 35px;
    margin-top: 15px;
    margin-bottom: 10px;
}

